Beatriz Lecumberri1,2, Javier Estrada3, José García-Uría4, Isabel Millán5, Luis Felipe Pallardo6, Luis Caballero7, Tomás Lucas3,8. 1. Endocrinology and Nutrition Department, La Paz University Hospital, Castellana 261, 28046, Madrid, Spain. lecum74@hotmail.com. 2. Endocrinology and Nutrition Department, Puerta de Hierro University Hospital, Madrid, Spain. lecum74@hotmail.com. 3. Endocrinology and Nutrition Department, Puerta de Hierro University Hospital, Madrid, Spain. 4. Neurosurgery Department, Puerta de Hierro University Hospital, Madrid, Spain. 5. Statistics Department, Puerta de Hierro University Hospital, Madrid, Spain. 6. Endocrinology and Nutrition Department, La Paz University Hospital, Castellana 261, 28046, Madrid, Spain. 7. Psychiatry Department, Puerta de Hierro University Hospital, Madrid, Spain. 8. Sanchinarro University Hospital, Madrid, Spain.
Abstract
PURPOSE: To assess the long-term impact of postoperative two-field-conventional radiotherapy (RT) on neurocognitive functions of adult patients with operated pituitary adenomas (PA). METHODS: We selected 124 adult patients with operated PA-56 of whom had also received RT-recorded their main clinical data and performed a neuropsychological assessment in all of them that included 15 standardized tests, and a cerebral SPECT in eight patients. Comparative analyses were carried out on major clinical and neurocognitive domains between irradiated and not irradiated patients, and on cerebral SPECT source. RESULTS: Compared with non-irradiated patients, irradiated patients performed significantly worse on Barcelona's story recall test (P < 0.001) and arithmetic problems (P < 0.03) and on five categories of the Wisconsin card sorting test, especially on perseverative answers and errors (P < 0.001) without differences in other examined functional domains. RT was the only factor associated with worse results in these tests regardless other clinical and treatment-related variables. Kaplan-Meier analysis suggested that the probability of achieving poorer results with time was related to RT total dose and field-size, type of PA and age at the time of RT. Four of the five SPECTS performed in irradiated patients revealed a similar altered perfusion in the left temporal lobe cortical region. CONCLUSIONS: In adult patients with operated PA, RT was independently associated with an impairment on verbal memory and executive function, when compared to non-irradiated patients. Our data suggest that diagnosis of acromegaly or Cushing's disease, and age at the time of RT were able to modulate this long-term radio-induced neurocognitive sequelae.
PURPOSE: To assess the long-term impact of postoperative two-field-conventional radiotherapy (RT) on neurocognitive functions of adult patients with operated pituitary adenomas (PA). METHODS: We selected 124 adult patients with operated PA-56 of whom had also received RT-recorded their main clinical data and performed a neuropsychological assessment in all of them that included 15 standardized tests, and a cerebral SPECT in eight patients. Comparative analyses were carried out on major clinical and neurocognitive domains between irradiated and not irradiated patients, and on cerebral SPECT source. RESULTS: Compared with non-irradiated patients, irradiated patients performed significantly worse on Barcelona's story recall test (P < 0.001) and arithmetic problems (P < 0.03) and on five categories of the Wisconsin card sorting test, especially on perseverative answers and errors (P < 0.001) without differences in other examined functional domains. RT was the only factor associated with worse results in these tests regardless other clinical and treatment-related variables. Kaplan-Meier analysis suggested that the probability of achieving poorer results with time was related to RT total dose and field-size, type of PA and age at the time of RT. Four of the five SPECTS performed in irradiated patients revealed a similar altered perfusion in the left temporal lobe cortical region. CONCLUSIONS: In adult patients with operated PA, RT was independently associated with an impairment on verbal memory and executive function, when compared to non-irradiated patients. Our data suggest that diagnosis of acromegaly or Cushing's disease, and age at the time of RT were able to modulate this long-term radio-induced neurocognitive sequelae.
Entities:
Keywords:
Neurocognitive; Pituitary adenomas; Radiotherapy; Transsphenoidal surgery
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